<div class="demo demo-space">
  <button nz-button nzType="primary">主按钮</button>
  <button nz-button nzType="default">默认按钮</button>
  <button nz-button nzType="default" nz-dropdown [nzDropdownMenu]="moreMenu">
    更多
    <i nz-icon nzType="down"></i>
  </button>

  <nz-dropdown-menu #moreMenu="nzDropdownMenu">
    <ul nz-menu>
      <li nz-menu-item>1st menu item</li>
      <li nz-menu-item>2st menu item</li>
      <li nz-menu-item>3st menu item</li>
    </ul>
  </nz-dropdown-menu>
</div>
